Home / 14,422.18-19,902.57-8,134.55

Finding the Fourth Proportional to 14,422.18, 19,902.57 and 8,134.55

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Solution

The fourth proportional to 14,422.18, 19,902.57 and 8,134.55 is: 11,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.18 : 19,902.57 = 8,134.55 : x
  2. Step 2: Convert to fraction form
    14,422.18/19,902.57 = 8,134.55/x
  3. Step 3: Cross multiply
    14,422.18x = 19,902.57 × 8,134.55
  4. Step 4: Simplify right side
    14,422.18x = 161,898,450.79
  5. Step 5: Solve for x
    x = 161,898,450.79/14,422.18
  6. Step 6: Final answer
    x = 11,225.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.